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Rev | Author | Line No. | Line |
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6283 | serge | 1 | #include |
2 | #include "i915_drv.h" |
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3 | #include "intel_drv.h" |
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4 | #include |
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5 | #include |
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6 | |||
7 | static struct mutex cursor_lock; |
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8 | |||
9 | static void __stdcall move_cursor_kms(cursor_t *cursor, int x, int y) |
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10 | { |
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11 | struct drm_crtc *crtc = os_display->crtc; |
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12 | struct drm_plane_state *cursor_state = crtc->cursor->state; |
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13 | |||
14 | x-= cursor->hot_x; |
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15 | y-= cursor->hot_y; |
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16 | |||
17 | crtc->cursor_x = x; |
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18 | crtc->cursor_y = y; |
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19 | |||
20 | cursor_state->crtc_x = x; |
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21 | cursor_state->crtc_y = y; |
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22 | |||
7144 | serge | 23 | intel_crtc_update_cursor(crtc, cursor_state); |
6283 | serge | 24 | }; |
25 | |||
26 | static cursor_t* __stdcall select_cursor_kms(cursor_t *cursor) |
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27 | { |
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28 | struct drm_i915_private *dev_priv = os_display->ddev->dev_private; |
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29 | struct drm_crtc *crtc = os_display->crtc; |
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30 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
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7144 | serge | 31 | struct drm_plane *cursor_plane = crtc->cursor; |
32 | struct intel_plane_state *cursor_state = to_intel_plane_state(cursor_plane->state); |
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6283 | serge | 33 | |
34 | cursor_t *old; |
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35 | |||
36 | old = os_display->cursor; |
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37 | |||
38 | mutex_lock(&cursor_lock); |
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39 | |||
40 | os_display->cursor = cursor; |
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41 | |||
42 | if (!dev_priv->info.cursor_needs_physical) |
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43 | intel_crtc->cursor_addr = i915_gem_obj_ggtt_offset(cursor->cobj); |
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44 | else |
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45 | intel_crtc->cursor_addr = (addr_t)cursor->cobj; |
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46 | |||
7144 | serge | 47 | cursor_state->visible = 1; |
48 | |||
49 | cursor_plane->state->crtc_w = 64; |
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50 | cursor_plane->state->crtc_h = 64; |
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51 | cursor_plane->state->rotation = 0; |
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52 | |||
6283 | serge | 53 | mutex_unlock(&cursor_lock); |
54 | |||
55 | move_cursor_kms(cursor, crtc->cursor_x, crtc->cursor_y); |
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56 | return old; |
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57 | }; |
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58 | |||
59 | static void __stdcall restore_cursor(int x, int y){}; |
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60 | static void disable_mouse(void){}; |
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61 | |||
62 | static void __attribute__((regparm(1))) destroy_cursor(cursor_t *cursor) |
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63 | { |
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64 | struct drm_i915_gem_object *obj = cursor->cobj; |
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65 | list_del(&cursor->list); |
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66 | |||
67 | i915_gem_object_ggtt_unpin(cursor->cobj); |
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68 | |||
69 | mutex_lock(&main_device->struct_mutex); |
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70 | drm_gem_object_unreference(&obj->base); |
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71 | mutex_unlock(&main_device->struct_mutex); |
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72 | |||
73 | __DestroyObject(cursor); |
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74 | }; |
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75 | |||
76 | static int init_cursor(cursor_t *cursor) |
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77 | { |
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78 | display_t *display = GetDisplay(); |
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6296 | serge | 79 | struct drm_device *dev = display->ddev; |
80 | struct drm_i915_private *dev_priv = dev->dev_private; |
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6283 | serge | 81 | struct drm_i915_gem_object *obj; |
82 | uint32_t *bits; |
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83 | uint32_t *src; |
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84 | void *mapped; |
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85 | |||
86 | int i,j; |
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87 | int ret; |
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88 | |||
6296 | serge | 89 | mutex_lock(&dev->struct_mutex); |
90 | |||
6283 | serge | 91 | if (dev_priv->info.cursor_needs_physical) |
92 | { |
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93 | bits = (uint32_t*)KernelAlloc(KMS_CURSOR_WIDTH*KMS_CURSOR_HEIGHT*8); |
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94 | if (unlikely(bits == NULL)) |
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6296 | serge | 95 | { |
96 | ret = -ENOMEM; |
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97 | goto unlock; |
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98 | }; |
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6283 | serge | 99 | cursor->cobj = (struct drm_i915_gem_object *)GetPgAddr(bits); |
100 | } |
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101 | else |
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102 | { |
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103 | obj = i915_gem_alloc_object(display->ddev, KMS_CURSOR_WIDTH*KMS_CURSOR_HEIGHT*4); |
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104 | if (unlikely(obj == NULL)) |
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6296 | serge | 105 | { |
106 | ret = -ENOMEM; |
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107 | goto unlock; |
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108 | }; |
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6283 | serge | 109 | |
110 | ret = i915_gem_object_ggtt_pin(obj, &i915_ggtt_view_normal, 128*1024, PIN_GLOBAL); |
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6296 | serge | 111 | if (ret) |
112 | goto unref; |
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6283 | serge | 113 | |
114 | ret = i915_gem_object_set_to_gtt_domain(obj, true); |
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115 | if (ret) |
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6296 | serge | 116 | goto unpin; |
117 | |||
6283 | serge | 118 | /* You don't need to worry about fragmentation issues. |
119 | * GTT space is continuous. I guarantee it. */ |
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120 | |||
121 | mapped = bits = (u32*)MapIoMem(dev_priv->gtt.mappable_base + i915_gem_obj_ggtt_offset(obj), |
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122 | KMS_CURSOR_WIDTH*KMS_CURSOR_HEIGHT*4, PG_SW); |
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123 | |||
124 | if (unlikely(bits == NULL)) |
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125 | { |
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6296 | serge | 126 | ret = -ENOMEM; |
127 | goto unpin; |
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6283 | serge | 128 | }; |
129 | cursor->cobj = obj; |
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130 | }; |
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131 | |||
6296 | serge | 132 | mutex_unlock(&dev->struct_mutex); |
133 | |||
6283 | serge | 134 | src = cursor->data; |
135 | |||
136 | for(i = 0; i < 32; i++) |
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137 | { |
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138 | for(j = 0; j < 32; j++) |
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139 | *bits++ = *src++; |
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140 | for(j = 32; j < KMS_CURSOR_WIDTH; j++) |
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141 | *bits++ = 0; |
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142 | } |
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143 | for(i = 0; i < KMS_CURSOR_WIDTH*(KMS_CURSOR_HEIGHT-32); i++) |
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144 | *bits++ = 0; |
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145 | |||
146 | FreeKernelSpace(mapped); |
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147 | KernelFree(cursor->data); |
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148 | cursor->data = bits; |
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149 | cursor->header.destroy = destroy_cursor; |
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150 | |||
151 | return 0; |
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6296 | serge | 152 | |
153 | unpin: |
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154 | i915_gem_object_ggtt_unpin(obj); |
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155 | unref: |
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156 | drm_gem_object_unreference(&obj->base); |
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157 | unlock: |
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158 | mutex_unlock(&dev->struct_mutex); |
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159 | return ret; |
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6283 | serge | 160 | } |
161 | |||
162 | void init_system_cursors(struct drm_device *dev) |
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163 | { |
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164 | cursor_t *cursor; |
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165 | display_t *display; |
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166 | u32 ifl; |
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167 | |||
168 | display = GetDisplay(); |
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169 | |||
170 | mutex_init(&cursor_lock); |
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171 | |||
172 | ifl = safe_cli(); |
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173 | { |
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174 | list_for_each_entry(cursor, &display->cursors, list) |
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175 | { |
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176 | init_cursor(cursor); |
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177 | }; |
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178 | |||
179 | display->restore_cursor(0,0); |
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180 | display->init_cursor = init_cursor; |
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181 | display->select_cursor = select_cursor_kms; |
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182 | display->show_cursor = NULL; |
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183 | display->move_cursor = move_cursor_kms; |
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184 | display->restore_cursor = restore_cursor; |
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185 | display->disable_mouse = disable_mouse; |
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186 | display->crtc->cursor_x = display->width/2; |
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187 | display->crtc->cursor_y = display->height/2; |
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188 | |||
189 | select_cursor_kms(display->cursor); |
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190 | }; |
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191 | safe_sti(ifl); |
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192 | }>>>> |